﻿Nuculana 
  inornata 
  (Sharpe) 
  

  

  Fig. 
  1,2 
  Opposite 
  sides 
  of 
  the 
  same 
  specimen 
  

  

  3 
  x\nother 
  characteristic 
  example 
  

  

  Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Palaeoneilo 
  rhysa 
  Clarke 
  

  

  Fig. 
  4, 
  5 
  Left 
  and 
  right 
  valves 
  

  

  6 
  Enlargement 
  of 
  surface 
  ornament 
  of 
  figure 
  4 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Nuculites 
  pacatus 
  Reed 
  

  

  Fig. 
  7 
  Interior 
  cast 
  of 
  conjoined 
  valves 
  with 
  strong 
  clavicular 
  

   ridges 
  

   Locality: 
  Jaguariahyva, 
  Sao 
  Paulo, 
  Brazil 
  

   8 
  Sculpture 
  cast 
  of 
  right 
  valve 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  Palaeoneilo 
  magnifica 
  Clarke 
  

  

  (See 
  plate 
  15) 
  

  

  Fig. 
  9 
  Internal 
  cast 
  of 
  right 
  valve, 
  showing 
  part 
  of 
  hinge. 
  The 
  

   borings 
  are 
  those 
  of 
  the 
  sponge 
  Clionolithus 
  

   p 
  r 
  i 
  s 
  cu 
  s 
  (McCoy) 
  

   Locality: 
  Ponta 
  Grossa, 
  Brazil 
  

  

  168 
  

  

  